Most question answering (QA) and information retrieval (IR) systems are insensitive to different users' needs and preferences, and also to the existence of multiple, complex or controversial answers. We propose the notion of adaptivity in QA and IR by introducing a hybrid QA-IR system based on a user model. Our current prototype filters and re-ranks the query results returned by a search engine according to their reading level. This is particularly useful in school environments, where it is most needed to adjust the presentation of complex information to the pupils' level of understanding.

Subjects: 13. Natural Language Processing; 1.10 Information Retrieval

Submitted: Feb 13, 2006

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